Yes, most solar panel installations require permits. Whether you're installing rooftop panels or a ground-mounted system, local building departments typically require permits to ensure safety, code compliance, and proper grid connection. . Permitting and inspection are required before a solar array is allowed to produce electricity on the grid. Since the 2016 edition of NFPA 1, access pathways have been required on roofs to facilitate fire service access as well as egress. . For nearly all residential solar installations in the United States, a permit is required. This process is a structured safeguard for your home, property, and. . Automated permitting is revolutionizing the industry: SolarAPP+ now provides instant permit approval in 275 jurisdictions across 13 states, reducing processing time from weeks to minutes for standard residential installations. The California RPS program was established in 2002 by Senate Bill (SB) 1078 (Sher, 2002) with the initial requirement that 20% of. .